Results 71 to 80 of about 759,851 (204)

Conservative multimodal management of a primitive neuroectodermal tumor of the thyroid

open access: yesRare Tumors, 2013
Primitive neuroectodermal tumors (PNET) represent 1% of sarcomas. Head and neck peripheral PNETs have an intermediate prognosis between abdominopelvic disease and extremities.
Juliette Haudebourg   +9 more
doaj   +1 more source

Skull Base Surgery in the Pediatric Population—The 2nd International Collaborative Study (1995–2015)

open access: yesHead &Neck, Volume 48, Issue 7, Page 1742-1754, July 2026.
ABSTRACT Background The current study presents the efforts of a global collaborative group to review the management and outcomes of malignant tumors of the skull base in the pediatric population worldwide. Patients and Methods A total of 28 institutions contributed data on 3061 patients. From this, there were 64 pediatric patients (2.1%).
Dan M. Fliss   +50 more
wiley   +1 more source

Primitive neuroectodermal tumor of the orbit in a 5-year-old girl with microphthalmia

open access: yes, 2000
ophthalmology, primitive neuroectodermal tumor (PNET), Ewing's sarcoma, small round-cell tumors, retinoblastoma, medulloepithelioma, microphthalmia ...
Alyahya, Ghassan Ayish Jabur   +4 more
core   +1 more source

Integrated high‐resolution copy number and histomolecular analysis of diffuse hemispheric glioma, H3 G34‐mutant reveals universal TP53 abnormalities

open access: yesBrain Pathology, Volume 36, Issue 4, July 2026.
This integrated high‐resolution copy number and histomolecular analysis of diffuse hemispheric glioma, H3 G34‐mutant expands the spectrum of associated genetic changes and underscores the presence of universal TP53 abnormalities at copy number, sequence, and protein expression level, with frequent yet largely unrecognized TP53 copy‐neutral loss of ...
Jorge A. Trejo‐Lopez   +28 more
wiley   +1 more source

Stereotactic radiosurgery for primitive neuroectodermal tumors Response

open access: yes, 2009
This study examined the clinical efficacy of Gamma knife stereotactic radiosurgery as a treatment option in the management of pediatric primitive neuroectodermal tumours (PNETs)
Kondziolka, D.   +3 more
core   +1 more source

The Role of N6‐Methyladenosine Modification in Health and Disease

open access: yesMedComm, Volume 7, Issue 6, June 2026.
N6‐methyladenosine (m6A) is the most prevalent internal RNA modification in eukaryotes, acting as a pivotal epitranscriptomic regulator of RNA metabolism. This modification plays a dual role: it maintains physiological homeostasis under normal conditions but drives disease progression when dysregulated.
Linghuan Li   +6 more
wiley   +1 more source

Primary primitive neuroectodermal tumor of the kidney

open access: yesIndian Journal of Pathology and Microbiology, 2018
Renal primitive neuroectodermal tumor (PNET) is a rare entity. It should be differentiated from other primary renal malignancies. The differentiation of the malignant small round cell tumors may be challenging; however, it is essential for better ...
Sunil Vitthalrao Jagtap   +4 more
doaj   +1 more source

Primary Primitive Neuroectodermal Tumor of the Kidney

open access: yes, 2000
Primitive neuroectodermal tumor(PNET) is a rare tumor, comprising less than 1% of all soft tissue malignancies arising from the peripheral non-autonomic nervous system.
양승철, 정우희, 한웅규
core  

High‐Grade Immature Teratoma in a 20‐Month‐Old Girl: A Rare Case With Cross‐Midline Presentation and Ovarian Torsion

open access: yesReproductive, Female and Child Health, Volume 5, Issue 2, June 2026.
ABSTRACT Background Immature ovarian teratomas are rare malignant germ cell tumours, particularly in children under 2 years old. Ovarian torsion may further obscure diagnosis by altering adnexal anatomy and radiological interpretation. Case Presentation A 20‐month‐old girl presented with persistent vomiting, abdominal distension, and poor oral intake ...
Jia Chyi Tay   +3 more
wiley   +1 more source

Primitive neuroectodermal tumors of the spine: a comprehensive review with illustrative clinical cases

open access: yes, 2011
Primary spinal primitive neuroectodermal tumors (PNETs) are uncommon malignancies that are increasingly reported in the literature. Spinal PNETs, like their cranial counterparts, are aggressive tumors and patients with these tumors typically have short ...
Paul C. McCormick   +6 more
core   +1 more source

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